He was included in the Sharks XV squad for the 2010 Vodacom Cup, but failed to play in any matches.

He was also included in the Sharks squad for the 2011 Currie Cup Premier Division, but failed to feature in that competition.

He made his debut against Southland[5] and played in eight matches for them on their way to winning the Championship and subsequent promotion to the Premiership.

[11] However, after another substitute appearance against the Brumbies, he fell below Rynier Bernardo in the pecking order and reverted to playing domestic rugby, playing three matches for the Eastern Province Kings in the 2013 Vodacom Cup competition.

[14] On 25 July 2013, the NFL's Indianapolis Colts announced that they signed Adongo as an outside linebacker despite the fact that he had no prior American football experience.

[21] He was waived again on 17 December 2015 after law enforcement personnel received at least two reports of possible domestic violence between Adongo and an unidentified female.

[22] Adongo's father has expressed concern about difficulties his son was experiencing after his sports career ended.